logo Practice-It logo

Main Page → Problems → Solve a Problem

arrayReferenceMystery

Language/Type: Java arrays array mystery
Author: Marty Stepp (on 2011/11/13)

What values are stored in the array at the comment in main below? 

public class ArrayReference {
    public static void main(String[] args) {
        int[] nums = {2, 4, -1, 3};
        incrementAll(nums);

        // HERE!
    }

    public static void incrementAll(int[] data) {
        for (int i = 0; i < data.length; i++) {
            data[i]++;
        }
    }
}
nums[0]
nums[1]
nums[2]
nums[3]

You must log in before you can solve this problem.


Log In

If you do not understand how to solve a problem or why your solution doesn't work, please contact your TA or instructor.
If something seems wrong with the site (errors, slow performance, incorrect problems/tests, etc.), please

Is there a problem? Contact a site administrator.